The One Spa

any car experts here?

I

ILOVETHIS

Member
Jun 12, 2006
452
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I started up my car and it was very rough but smoothed out in 2 mins. Then again the next day it did the same thing and the engine light came on. After that the car started and ran fine.

I scanned the engine and got a misfire in cylinder 4. So I decided to tune it up and changed all the plugs. After that, I cleared the check engine light and the car runs smooth and much better. And the check engine light hasn't come on since.

But I did notice when I took out one of the spark plugs, it had a bit of oil on the ceramic part and it the spark plug well there was a bit of oil, and sludge. Not alot of oil, just a little. Is this a problem?
 
Keep an eye on it.
Could be either a bad plug, ignition wire or cylinder problems for starters.
 
Sounds like you need a new Johnson rod.
:cool:
 
How old is it and how many miles?
 
Before you break out the engin rebuild kit, take a look at the rocker cover gasket neat the cylinder see if you have any oil leaking out of it.

Was there any oil on the electrode? if that was clean the oil is probably just roasd grundge or blow off.

Most engines will blow a little oil not so much as the bad old days but even so, keep an eye on the oil level when ever you drive it.
 
ILOVETHIS said:
its a 2003 110,000 km on it. V6 engine
Click to expand...

It would help if you told us the make and model too.

But if there's sludge on the electrode, that means oil is getting into the cylinder and that's a big no no.

When was the last time you had a tune up or any work done on it?

If there's just carbon build up (not anything gooey) then it could be running too rich hence the rough idle. The computer probably senses this and corrects it which would be why it smooths out.......
 
Plugs don't last forever, for all you know those were the same plugs since the car was new. I always change the plug wires too, they wear out and pulling on old plug wires is a sure way to mess them up. I would not worry about it unless it fouls again.
 
its a chrysler sebring 2.7l v6


tboy said:
It would help if you told us the make and model too.

But if there's sludge on the electrode, that means oil is getting into the cylinder and that's a big no no.

When was the last time you had a tune up or any work done on it?

If there's just carbon build up (not anything gooey) then it could be running too rich hence the rough idle. The computer probably senses this and corrects it which would be why it smooths out.......
Click to expand...
 
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